v0.3.0

Added

• Tool output schema support with comprehensive validation (#122)
• HTTP client transport layer for MCP clients (#28)
• Tool annotations validation for protocol compatibility (#122)
• Server instructions support (#87)
• Title support in server info (#119)
• Default values for tool annotation hints (#118)
• Notifications/initialized method implementation (#84)

Changed

• Make default protocol version the latest specification version (#83)
• Protocol version validation to ensure valid values (#80)
• Improved tool handling for tools with no arguments (#85, #86)
• Better error handling and response API (#109)

Fixed

• JSON-RPC notification format in Streamable HTTP transport (#91)
• Errors when title is not specified (#126)
• Tools with missing arguments handling (#86)
• Namespacing issues in README examples (#89)

v0.2.0

Added

• Custom methods support via define_custom_method (#75)
• Streamable HTTP transport implementation (#33)
• Tool argument validation against schemas (#43)

Changed

• Server context is now optional for Tools and Prompts (#54)
• Improved capability handling and removed automatic capability determination (#61, #63)
• Refactored architecture in preparation for client support (#27)

Fixed

• Input schema validation for schemas without required fields (#73)
• Error handling when sending notifications (#70)

v0.1.0

Initial release